Journal
PHYSICA SCRIPTA
Volume 97, Issue 5, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1402-4896/ac6709
Keywords
alloys; structural properties; radiation shielding; WinXcom; Geant4 simulations
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Funding
- Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia [PNURSP2022R48]
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The alloys of Pb60Sn20CdxZn(20-x) composition, nano-structured and bulk, were fabricated and characterized using various techniques for radiation shielding applications. Experimental and theoretical analysis showed an enhanced radiation shielding efficacy in ball-milled PbSnCdZn nano alloy specimens compared to bulk counterparts.
The alloys with composition: Pb60Sn20CdxZn(20-x), where x = 0, 5, 10, 15 and 20 mol.% were fabricated at nano-scale as well as bulk scale using the convention melt quench technique. Different characterization techniques such as Transmission Electron Microscopy (TEM), Field Emission-Scanning Electron Microscopy (FE-SEM) and Energy Dispersive Spectroscopy (EDS) analysis were performed to verify the particle size reduction to nano-scale, surface morphology and elemental composition of Pb60Sn20CdxZn(20-x) alloy systems. These nano-structured and bulk alloy systems were experimentally investigated and compared for their potential use in the radiation shielding applications. Further, radiation shielding effectiveness against electron beam, proton beam, alpha and heavy carbon ion beams has also been investigated for fabricated bulk alloys using Geant4 simulations. Present theoretical and experimental analysis affirmed that the radiation shielding efficacy gets enhanced for ball-milled PbSnCdZn nano alloy specimens as compared to bulk counterparts.
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